Table S1.

Primer set for RT-PCR

Gene	Forward primer	Reverse primer
SPP1	5′-CTCCATTGACTCGAACGACTC-3′	5′-CAGGTCTGCGAAACTTCTTAGAT-3′
WT1	5′-CACAGCACAGGGTACGAGAG-3′	5′-CAAGAGTCGGGGCTACTCCA-3′
ALDH1A1	5′-GCACGCCAGACTTACCTGTC-3′	5′-CCTCCTCAGTTGCAGGATTAAAG-3′
GATA6	5′-CTCAGTTCCTACGCTTCGCAT-3′	5′-GTCGAGGTCAGTGAACAGCA-3′
DCN	5′-ATGAAGGCCACTATCATCCTCC-3′	5′-GTCGCGGTCATCAGGAACTT-3′
EPCAM	5′-AATCGTCAATGCCAGTGTACTT-3′	5′-TCTCATCGCAGTCAGGATCATAA-3′
GAPDH	5′-GGAGCGAGATCCCTCCAAAAT-3′	5′-GGCTGTTGTCATACTTCTCATGG-3′

Abbreviation: RT-PCR, real-time PCR.